Rules:

Only words with 2 or more characters are accepted
Max 200 chars total
Space is used to split words, "" can be used to search for a whole string (not indexed search then)
AND, OR and NOT are prefix words, overruling the default operator
+/|/- equals AND, OR and NOT as operators.
All search words are converted to lowercase.

Exhibition /Conference Current Events CRS' scientists participate in scientific and clinical meetings and support the following conferences. To learn more about presentations or to discuss your interests, ...

... controlled trials without external physical or mental disturbance that might cause inconsistencies in ECG data. Large numbers of subjects can participate in the study. Narcotics/opioids Since 2000, more than 20 trials with narcotics have been conducted. During this time, more than 490 subjects ...